OpenTechnical

OT-2026-000079712

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000079712) never changes.

Identity and time

Publication numberOT-2026-000079712 · never reused
Internal UUID01a0ae96-4375-7e62-a8d3-bddac2cf6999 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079712
StatusPUBLIC

Content hashes

Canonical textba0326deee89a40dad7b56bd2f1ce34fc20a21d76de753d78f372a686451901a
Markdown379436a7c9a60d22a4f3822000055c8ef743d84cc2dc1772b904dd55f4e1f96e
PDF
Publication page05e8af0fbd2517836159e456649b62a66c364a7d89b81e7536a98e8ea20f6010
Manifest1701162c26707e154e9b640b865b5065cc94925dfbe729fde2ab017c1a00ccf6

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureW8hx5TxingktkCgpc9rYYieHNPDjOX4ehfC6TESflgyiL1sssnrkafCNcV5ny9M27Jh56mSPmk/5BZzpaagWDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:03:34.271753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079712
observed 05e8af0fbd2517836159e456649b62a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:34.250766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079712/manifest.json
observed 1701162c26707e154e9b640b865b5065...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:34.230237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079712/publication.md
observed 379436a7c9a60d22a4f3822000055c8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:34.211021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079712/publication.txt
observed ba0326deee89a40dad7b56bd2f1ce34f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.